<ul class="nav-stacked">
    <li <!--{if $_GET[op]!="admin" }-->  class="active" <!--{/if}-->><a hidefocus="true" href="{MOD_URL}">{lang systemlog_list}</a></li> 
    <li <!--{if $_GET[op]=="admin" }-->  class="active" <!--{/if}-->><a hidefocus="true" href="{MOD_URL}&op=admin">{lang systemlog_setting}</a></li> 
</ul>